And Apollo clearly protecting his right side... his ribs.
4 seconds sound clip from the Rocky (1976) movie soundboard.
You can hear this line at 01:55:05.509 in the Blu-ray version of the movie.
Quote context
[...]
- You gotta go. You gotta give it all. Give it all! You gotta get him. You gotta work on that body.
- The crowd is on fire. The 15th and final round.
- They look like they've been in a war, these two.
- Come on over here. You're a bum.
- Oh, the Champion really tagged him!
- And Apollo clearly protecting his right side... his ribs.
- Body punches! Hard left and right!
- Look at the blood coming out of his mouth! Oh, he's spitting up blood now.
- A tremendous right hand by Rocky.
- Oh! Another to the rib. That left hand again right to the chin!
[...]